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Old 11-12-2007, 06:24 AM   #1
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Cel P0153

Went to the parts store this morning and purchased a Actron scanner for $50 on sale and plugged in to see why my CEL light went on, and got code P0153. The book that comes with the scanner has a list of codes and it reads:

"P0153 O2 Sensor CKT Slow Response (Bank 2 Sensor 1)"

After doing a search on the forum I guess this means the pre-cat left sensor. I plan on just replacing, I was just curious the details of the "slow response" if anyone has any knowledge...??

Perfectlap, looks like you are getting this for the second time, any words of wisdom?

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Old 11-12-2007, 07:27 AM   #2
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My understanding is that thsese 100K mile parts sometimes go early. I'm not yet at 50K miles But time is a factor too, my car is on year seven. The CEL code means the sensor is fading.

I had a local mechanic replace the original with a Walker and it didn't cure the CEL. He's the only mechanic in my area that will touch a Pcar for these trivial 5 minute jobs that are quickly done with a lift. All other mechanics look at the car and say no way. I'm going to order the BOSCH and see if that helps.
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Old 11-12-2007, 09:20 AM   #3
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Because of the age of your car, it probably is the oxygen sensor(s) going. But, it could also be a number of other issues including, bad cat, MAF, or a vacuum leak somewhere after the MAF. Best of luck, I am sure not fond of the CEL's....


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Old 11-12-2007, 06:29 PM   #4
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Potentially stupid question:

I cleared the code my newly purchased diagnostic tool, if the problem persists wont the CEL continue to stay on?
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Old 11-13-2007, 01:02 AM   #5
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Link to parts, how to

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